.section {
    width: 100%;
    height: 741px;
    background-image: url(../images/productconcept/bg_main.png);
    background-position: center center;
}

.section-content {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}

.section-content div {
    position: relative;
}

.section-content .left {
    width: 418px;
}

.section-content .left img {
    display: block;
    position: absolute;
}

.section-content .left :nth-child(1) {
    top: 260px;
    left: 0px;
}

.section-content .left :nth-child(2) {
    top: 340px;
    left: 0px;
}

.section-content .right {
    width: 574px;
}

.section-content .right img {
    display: block;
    position: absolute;
}

.section-content .right .base {
    z-index: 90;
    top: 260px;
    left: 0px;
}

.section-content .right .circuit {
    z-index: 91;
    top: 318px;
    left: 211px;
}

.section-content .right .circuit {
    z-index: 91;
    top: 318px;
    left: 211px;
}

.section-content .right .lightBulb {
    width: 110px;
    height: 190px;
    z-index: 92;
    top: 174px;
    left: 242px;
}

.section-content .right .light {
    z-index: 93;
    top: 196px;
    left: 141px;
}

.section-content .right .three_arrow {
    z-index: 94;
    top: 127px;
    left: 70px;
}

